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Carbon monoxide (CO) as an endogenous gaseous signaling molecule, is widely studied for its ability to inhibit cancer cell proliferation as gas therapy. However, the therapeutic efficiency of CO gas therapy is far from ideal due to the low availability of CO supply. Here, inspired by the band structure and Fenton‐related elements, MIL‐101(Cr)@CoOx nanoparticles are introduced for the first time to achieve ultrasound‐mediated synergistic therapy by combining CO gas therapy and chemodynamic therapy together effectively. MIL‐101(Cr)@CoOx can present substantial CO2 adsorption capacity for the BDC2− linkers and Co center, and enable to transformation of endogenous CO2 to CO efficiently under ultrasound irradiation due to the appropriate band structure and conduction band position. With the Co‐engaged Fenton‐like reaction, MIL‐101(Cr)@CoOx triggered the reactions to catalyze the over‐expressed intracellular H2O2 into cytotoxic hydroxyl radicals (·OH). The potential therapeutic outcome of chemodynamic therapy can be amplified by the ultrasonic cavitation‐induced conversion between Co3+ and Co2+ in vitro is demonstrated. The proliferation, ATP, and mitochondria functions of 4T1 mouse breast cancer cells are severely compromised by CO‐promoted ROS generation and the sono‐Fenton effect. Further, in vivo studies confirm that MIL‐101(Cr)@CoOx combined with ultrasound irradiation exhibits superior tumor suppression, and achieves the ultrasound‐mediated chemodynamic‐gas cancer therapy with higher precisions for personalized treatments. This new system offers a distinct concept for constructing smart ultrasound‐stimulus systems to realize synergetic cancer therapy. [ABSTRACT FROM AUTHOR]

Aqueous zinc ion batteries have received unprecedented attention owing to their superior safety and sustainability, yet their cycling stability especially at high current rates is greatly limited by the poor reversibility of Zn metal anodes, due to the delayed ion transport, severe water‐induced side reactions, and uncontrollable dendrites growth at electrolyte/electrode interface. Herein, a robust and multi‐scale functionally designed amorphous ZnWO4 (ZWO) artificial interphase that fully addresses the aforementioned issues, is proposed. The modified Zn anodes deliver remarkable stability, surpassing 3000 h of operation at a high current density of 20 mA cm−2 in symmetrical cells. Even under harsh conditions of 20 mA cm−2 and 10 mAh cm−2, the electrode demonstrates steady cycling for over 600 h with low overpotential. The excellent cycling stability and rate performance are mainly attributed to a range of collective functionalities of ZWO interphase, including short‐range and isotropic ion migration, superior ion‐screening capability, and a thermodynamically enhanced energy barrier for hydrogen evolution reaction (HER) during Zn plating. These findings highlight the significance of the multi‐scale functional interphase in overcoming key barriers associated with zinc anodes under high current density, offering a facile and insightful approach for achieving high‐performance Zn metal anodes. [ABSTRACT FROM AUTHOR]